How To Fix RSM1173 - Deleting dulpicate records allowed only for transfer method TRFC in PSA

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM1 - Messages for AWB, Scheduler and Monitor (new)

• Message number: 173

• Message text: Deleting dulpicate records allowed only for transfer method TRFC in PSA

Self-Explanatory Message

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• What is the cause and solution for SAP error message RSM1173 - Deleting dulpicate records allowed only for transfer method TRFC in PSA ?

  The SAP error message RSM1173 indicates that there is an issue with deleting duplicate records in the Persistent Staging Area (PSA) when using a transfer method other than TRFC (Transactional Remote Function Call). This error typically arises in the context of data extraction processes, particularly when working with SAP BW (Business Warehouse) or SAP Data Warehousing solutions.
  Cause:
  The error occurs because the system restricts the deletion of duplicate records in the PSA to only those records that were loaded using the TRFC method. If the data was loaded using a different method (like RFC, IDoc, etc.), the system does not allow the deletion of duplicates, leading to this error message.
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Use TRFC for Data Loading: If possible, change the data loading method to TRFC. This will allow you to delete duplicate records without encountering this error.
  
  
  Manual Deletion: If changing the transfer method is not feasible, you may need to manually handle the duplicates in the PSA. This can involve:
  
  Identifying and manually deleting the duplicate records from the PSA.
  Using a query or report to find duplicates based on your criteria and then removing them.
  
  
  
  Data Cleansing Before Loading: Implement data cleansing processes before loading data into the PSA. This can help prevent duplicates from being loaded in the first place.
  
  
  Adjusting Data Load Logic: Review the data load logic in your ETL (Extract, Transform, Load) processes to ensure that duplicates are not being created during the data extraction or transformation phases.
  
  
  Consult SAP Documentation: Check the SAP Help Portal or relevant documentation for any updates or specific notes related to this error message. There may be patches or updates that address this issue.
  
  
  Related Information:
  
  PSA (Persistent Staging Area): The PSA is a temporary storage area in SAP BW where data is stored before it is transformed and loaded into the data warehouse. It is used to ensure data integrity and allows for data cleansing and validation.
  TRFC (Transactional Remote Function Call): TRFC is a method of data transfer that ensures that data is transferred reliably and can be rolled back in case of errors. It is often used in scenarios where data consistency is critical.
  Duplicate Records: Duplicate records can occur due to various reasons, such as repeated data loads, errors in data extraction processes, or issues in the source systems.
  
  By following the above solutions and understanding the context of the error, you should be able to address the RSM1173 error effectively.